In depth comparison and review of Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS and Sony Alpha6700 ILCE-6700. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.
| DESIGN AND DIMENSIONS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | FE 28-70mm OSS lens | Body only |
| Height | 9.64 cm | 6.9 cm |
| Width | 13.13 cm | 12.2 cm |
| Depth | 7.98 cm | 7.51 cm |
| Weight | 658 g | 409 g |
| Weight Details | Camera with battery and memory card: 658 g | Camera body only: 410 g Camera with battery and memory card: 493 g |
| Body Material | Magnesium alloy | - |
| Protection | Dust-resistant, moisture-resistant | - |
| Digital Zoom | 4x | 2x |
| SENSOR | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Sensor Resolution | 33.0 Megapixel | 26.0 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Exmor R CMOS |
| Total Pixels | 34,100,000 pixels | 27,000,000 pixels |
| Effective Sensor Resolution | 33,000,000 pixels | 26,000,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 23.9 mm) | APS-C (23.5 x 15.6 mm) |
| Frame Rate (Max Resolution) | 60 fps | 119.88 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Anti-Dust coating |
| Image Stabiliser | Optical (Steady Shot with 5-axis Intelligent Active Mode) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Image Processor | BIONZ XR | BIONZ XR |
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| LENS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Type | Zoom lens 28 - 70 mm - f/3.5-5.6 FE OSS - zoom | - |
|---|---|---|
| Focus Adjustment | Automatic, manual | - |
| Min Focus Distance | 30 cm | - |
| Max View Angle | 75 degree(s) | - |
| Zoom Adjustment | Manual | - |
| Lens Construction | 8 groups / 9 elements | - |
| Filter Size | 55 mm | - |
| Lens Mounting Type | Sony E-mount | Sony E-mount |
| Features | Internal focusing system, full-time manual focusing, ED glass, splashproof, aspherical lens, dustproof | - |
| FOCUSING | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 759 | 759 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select | Touch AF, Animal detection AF, AF Track Sens, AF Subject Shift Sensivity, AF Transition Speed, AF Area Regist, AF Assist, Focus Map, Circle of Focus Point, Switch V/H AF Area, Bird detection AF, Human detection AF, Insect detection AF, Car detection AF, Train detection AF, Airplane detection AF |
| Face Detection | Eye Detect AF, face-priority AF function | Yes |
| VIEWFINDER | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.39" |
| Viewfinder Resolution | 3,686,400 pixels | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | - |
| Optical Viewfinder Magnification | 0.78x | 1.07x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +3 |
| Field of View Crop Factor | - | 1.5 |
| EXPOSURE & WHITE BALANCE | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Native ISO | 100-51200 | 100-32000 |
| Extended ISO (Max) | 204800 | 102400 |
| Extended ISO (Min) | 50 | 50 |
| Light Sensitivity | ISO 50, ISO auto, ISO 204800, ISO 100-51200 | ISO 50, ISO 102400, ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, average, highlight spot | - |
| Exposure Metering Zones | 1200 | 1200 |
| Exposure Modes | Automatic, manual, aperture-priority, shutter-priority | - |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Focus bracketing |
| Special Effects | Soft Skin, Creative Look presets | Soft Skin, Creative Look presets |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K | - |
| Shutter Type | Mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 3, 5 or 9 steps | - |
| X-sync Speed | 1/250sec | 1/160 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,036,000 pixels | 1,036,800 pixels |
| Display Form Factor | Folding | Folding (176°) / rotating (270°) |
| Display Features | Display brightness control | - |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Digital Video Format | MPEG-4, H.264, XAVC S, H.265, XAVC HS | MPEG-4, H.264, XAVC S, XAVC HD, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM, AAC | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Memory Card Slot | SD card, CFexpress / SD card | SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card, CFexpress | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | - | No |
| Image Storage | 7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - APS-C mode |
6192 x 4128 4384 x 2920 3104 x 2064 |
| Video Capture | XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
3840 x 2160 p - 119.88 fps - 200Mbps 3840 x 2160 p - 100 fps - 200Mbps 3840 x 2160 p - 59.94 fps - 150Mbps 3840 x 2160 p - 59.94 fps - 75Mbps 3840 x 2160 p - 59.94 fps - 45Mbps 3840 x 2160 p - 50 fps - 150Mbps 3840 x 2160 p - 50 fps - 75Mbps 3840 x 2160 p - 50 fps - 45Mbps 3840 x 2160 p - 23.98 fps - 100Mbps 3840 x 2160 p - 23.98 fps - 50Mbps 3840 x 2160 p - 23.98 fps - 30Mbps 3840 x 2160 p - 119.88 fps - 280Mbps 3840 x 2160 p - 100 fps - 280Mbps 3840 x 2160 p - 59.94 fps - 200Mbps 3840 x 2160 p - 59.94 fps - 100Mbps 3840 x 2160 p - 50 fps - 200Mbps 3840 x 2160 p - 50 fps - 100Mbps 3840 x 2160 p - 23.98 fps - 100Mbps 3840 x 2160 p - 29.97 fps - 100Mbps 3840 x 2160 p - 29.97 fps - 60Mbps 3840 x 2160 p - 25 fps - 100Mbps 3840 x 2160 p - 25 fps - 60Mbps 3840 x 2160 p - 25 fps - 140Mbps 1920 x 1080 p - 119.88 fps - 100Mbps 1920 x 1080 p - 119.88 fps - 60Mbps 1920 x 1080 p - 100 fps - 100Mbps 1920 x 1080 p - 100 fps - 60Mbps 1920 x 1080 p - 59.94 fps - 50Mbps 1920 x 1080 p - 59.94 fps - 25Mbps 1920 x 1080 p - 50 fps - 50Mbps 1920 x 1080 p - 50 fps - 25Mbps 1920 x 1080 p - 29.97 fps - 50Mbps 1920 x 1080 p - 29.97 fps - 16Mbps 1920 x 1080 p - 25 fps - 50Mbps 1920 x 1080 p - 25 fps - 16Mbps 1920 x 1080 p - 23.98 fps - 50Mbps 3840 x 2160 p - 59.94 fps - 600Mbps 3840 x 2160 p - 59.94 fps - 222Mbps 3840 x 2160 p - 50 fps - 500Mbps 3840 x 2160 p - 50 fps - 185Mbps 3840 x 2160 p - 29.97 fps - 300Mbps 3840 x 2160 p - 29.97 fps - 111Mbps 3840 x 2160 p - 25 fps - 250Mbps 3840 x 2160 p - 25 fps - 93Mbps 3840 x 2160 p - 23.98 fps - 240Mbps 3840 x 2160 p - 23.98 fps - 89Mbps |
| BATTERY AND CHARGING | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Battery Type | Sony NP-FZ100 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
Photo shooting - 550 shots (EVF on) Photo shooting - 570 shots (LCD Monitor on) Video recording - 95 minutes (EVF on) Video recording - 100 minutes (LCD Monitor on) |
| CONNECTIONS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
|---|
| Interface | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 3.2, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi | Remote control via mobile devices |
| Print Standard | Exif Print support, PRINT Image Matching | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.2 (24 pin USB-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Self-Timer Delay | 10 sec, 2sec, 5 sec | - |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 11 frames per second |
| Additional Features | Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW | Built-in speaker, built-in LED illuminator, Chromatic Aberration Compensation (CAC), Time-Lapse recording, Clear Image Zoom, distortion correction function, slow motion recording, auto-framing, anti-flicker, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, Lens Shading Correction, Picture Profile Preset, webcam function, focus breathing compensation, USB streaming, proxy recording, AI-powered, quick motion |
| OTHERS | Sony Alpha7 IV ILCE-7M4K + FE 28-70mm OSS | Sony Alpha6700 ILCE-6700 |
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| Included Accessories | Eyepiece cover, lens hood, dust cap, body cap, lens cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable | Eyepiece cover, body cap, shoulder strap, hot shoe cap |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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